<!DOCTYPE html>
<html lang="zh_CN">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <meta name="viewport"
          content="width=device-width, initial-scale=1.0, user-scalable=no, maximum-scalable=1.0, minimum-scale=1.0">

    <style>
        *{
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        .icon{
            /* width: 112px; 750px 1:1*/
            /*width: 112px;*/
            width: 56px;
            /*height: 110px;*/
            height: 55px;
            background-color: #f00;
        }
    </style>

</head>
<body>
    <div class="icon"></div>
</body>
<script type="text/javascript">

</script>

</html>
